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<div class="titlepage"><div><div><h3 class="title">
<a name="boost_asio.reference.execution__mapping_t"></a><a class="link" href="execution__mapping_t.html" title="execution::mapping_t">execution::mapping_t</a>
</h3></div></div></div>
<p>
        <a class="indexterm" name="boost_asio.indexterm.execution__mapping_t"></a>
      </p>
<p>
        A property to describe what guarantees an executor makes about the mapping
        of execution agents on to threads of execution.
      </p>
<pre class="programlisting">struct mapping_t
</pre>
<h5>
<a name="boost_asio.reference.execution__mapping_t.h0"></a>
        <span class="phrase"><a name="boost_asio.reference.execution__mapping_t.types"></a></span><a class="link" href="execution__mapping_t.html#boost_asio.reference.execution__mapping_t.types">Types</a>
      </h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                <p>
                  Name
                </p>
              </th>
<th>
                <p>
                  Description
                </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t__new_thread_t.html" title="execution::mapping_t::new_thread_t"><span class="bold"><strong>new_thread_t</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  A sub-property that indicates that execution agents are mapped
                  on to new threads of execution.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t__other_t.html" title="execution::mapping_t::other_t"><span class="bold"><strong>other_t</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  A sub-property that indicates that the mapping of execution agents
                  is implementation-defined.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t__thread_t.html" title="execution::mapping_t::thread_t"><span class="bold"><strong>thread_t</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  A sub-property that indicates that execution agents are mapped
                  on to threads of execution.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/polymorphic_query_result_type.html" title="execution::mapping_t::polymorphic_query_result_type"><span class="bold"><strong>polymorphic_query_result_type</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  The type returned by queries against an any_executor.
                </p>
              </td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.execution__mapping_t.h1"></a>
        <span class="phrase"><a name="boost_asio.reference.execution__mapping_t.member_functions"></a></span><a class="link" href="execution__mapping_t.html#boost_asio.reference.execution__mapping_t.member_functions">Member
        Functions</a>
      </h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                <p>
                  Name
                </p>
              </th>
<th>
                <p>
                  Description
                </p>
              </th>
</tr></thead>
<tbody><tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/mapping_t.html" title="execution::mapping_t::mapping_t"><span class="bold"><strong>mapping_t</strong></span></a> <span class="silver">[constructor]</span>
                </p>
              </td>
<td>
                <p>
                  Default constructor. <br> <span class="silver"> —</span><br> Construct from a sub-property
                  value.
                </p>
              </td>
</tr></tbody>
</table></div>
<h5>
<a name="boost_asio.reference.execution__mapping_t.h2"></a>
        <span class="phrase"><a name="boost_asio.reference.execution__mapping_t.data_members"></a></span><a class="link" href="execution__mapping_t.html#boost_asio.reference.execution__mapping_t.data_members">Data Members</a>
      </h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                <p>
                  Name
                </p>
              </th>
<th>
                <p>
                  Description
                </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/is_applicable_property_v.html" title="execution::mapping_t::is_applicable_property_v"><span class="bold"><strong>is_applicable_property_v</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  The mapping_t property applies to executors, senders, and schedulers.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/is_preferable.html" title="execution::mapping_t::is_preferable"><span class="bold"><strong>is_preferable</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  The top-level mapping_t property cannot be preferred.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/is_requirable.html" title="execution::mapping_t::is_requirable"><span class="bold"><strong>is_requirable</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  The top-level mapping_t property cannot be required.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/new_thread.html" title="execution::mapping_t::new_thread"><span class="bold"><strong>new_thread</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  A special value used for accessing the mapping_t::new_thread_t
                  property.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/other.html" title="execution::mapping_t::other"><span class="bold"><strong>other</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  A special value used for accessing the mapping_t::other_t property.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/thread.html" title="execution::mapping_t::thread"><span class="bold"><strong>thread</strong></span></a> <span class="silver">[static]</span>
                </p>
              </td>
<td>
                <p>
                  A special value used for accessing the mapping_t::thread_t property.
                </p>
              </td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.execution__mapping_t.h3"></a>
        <span class="phrase"><a name="boost_asio.reference.execution__mapping_t.friends"></a></span><a class="link" href="execution__mapping_t.html#boost_asio.reference.execution__mapping_t.friends">Friends</a>
      </h5>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                <p>
                  Name
                </p>
              </th>
<th>
                <p>
                  Description
                </p>
              </th>
</tr></thead>
<tbody>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/operator_not__eq_.html" title="execution::mapping_t::operator!="><span class="bold"><strong>operator!=</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Compare property values for inequality.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="execution__mapping_t/operator_eq__eq_.html" title="execution::mapping_t::operator=="><span class="bold"><strong>operator==</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Compare property values for equality.
                </p>
              </td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.execution__mapping_t.h4"></a>
        <span class="phrase"><a name="boost_asio.reference.execution__mapping_t.requirements"></a></span><a class="link" href="execution__mapping_t.html#boost_asio.reference.execution__mapping_t.requirements">Requirements</a>
      </h5>
<p>
        <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/execution/mapping.hpp</code>
      </p>
<p>
        <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio/execution.hpp</code>
      </p>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2021 Christopher
      M. Kohlhoff<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
      </p>
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